Strong Heart (Hangul: 강심장; Hanja: 强心臟) is a South Korean talk show or talk battle broadcast by Seoul Broadcasting System (SBS). It airs on Tuesdays from 11:50 to Wednesdays 00:30. It is hosted by Lee Dong Wook and Shin Dong Yeop with Boom, Super Junior's Leeteuk and Eunhyuk as hosts of a special segment and regular guests along with Kim Hyo Jin, Jung Juri and Yang Se Hyung. Who are known as six-fixed guests.